Subtract 81/14 from 48/20
1st number: 2 8/20, 2nd number: 5 11/14
48/20 - 81/14 is -237/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
48/20 = 48 × 7/20 × 7 = 336/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
81/14 = 81 × 10/14 × 10 = 810/140 - Subtract the two like fractions:
336/140 - 810/140 = 336 - 810/140 = -474/140 - After reducing the fraction, the answer is -237/70
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